chore(luadoc): Let mapping items accept string[]

[js0ny]

Summary

Update luadoc of mappings, enabling suggestion on adding multiple mappings to one action

mappings = {
	agenda = {
		-- This will not prompt an warning now
        org_agenda_earlier = { "[[", "<" },
        org_agenda_later = { "]]", ">" },
	}
}

Changes

• lua/orgmode/config/_meta.lua, add type of mapping string | string[]
  an example is

    ---@class OrgMappingsAgenda
  + ---@field org_agenda_later? string | string[] Default: 'f' 
  - ---@field org_agenda_later? string Default: 'f' 

Checklist

I confirm that I have:

• Followed the
  Conventional Commits
  specification (e.g., feat: add new feature, fix: correct bug,
  docs: update documentation).
• My PR title also follows the conventional commits specification.
• Updated relevant documentation, if necessary.
• Thoroughly tested my changes.
• Added tests (if applicable) and verified existing tests pass with
  make test.
• Checked for breaking changes and documented them, if any.

[kristijanhusak]

Nice catch! Let's just create an alias for it so it's more centralized.

[kristijanhusak]

Let's create an alias and use alias instead:

---@alias OrgMappingValue string | string[]


---@field org_agenda? OrgMappingValue Mappings used to open agenda prompt. Default: '<prefix>a'
---etc.

[js0ny]

Nice catch! Let's just create an alias for it so it's more centralized.

Done! Updated as suggested.

[kristijanhusak]

Thanks!